Bat



Jan. 24, 1933.

A. G. DAVIS 1,895,408

BAT

Filed June 8, 1932 2 Sheets-Sheet 1 (jibe/f6. 17a

ATTORN EY Jan. 24, 1933.

Filed June 8, 1952 IL (3.]DIXV1S BAT 2 Sheets-Sheet 2 lml iii;

Patented Jan. 24, 1933 UNITED STATES PATENT' OFFICE".

ALBERT G. DAVIS, or COLUMBIANA, OHIO, ASSIGNOR TO THE PRODUCTION FOUNDRY 00., or COLUMBIANA, OHIO, A CORPORATION 015. OHIQ BAT Application filed June 8, 1932. Serial No. 616,138.

The object of the invention is to provide a bat or shelf for use in connection with kiln ears that is of such form as to be of minimum weight with the result that less heat will be absorbed by it; to provide a bat, so constructed that it will not be subject to distortion and will therefore be of longer life in use than the conventional bat; to provide a bat that is so constructed it will act as a bafiie plate to check the heat as it rises in the kiln,

thereby producing ware more evenly fired; to provide a device of the kind indicated which is constructed in interlocking sections to be interlocked together when placed on the props of a kiln car; and generally to proand the right is claimed to make any falling within the scope of the annexed claims.

In the drawings:

Figure 1 is a sectional view on the Plane indicated by the line 11 of Figure 2.

Figure 2 is a sectional view on the plane indicated by the line 22 of Figure 1.

Figure 3 is a top plan view of interlocked bat sections constructed in accordance with the invention.

Figure l is a bottom plan view of one of the bat sections illustrated in Figure 3.

Figure 5 is a detail bottom plan view, enlarged, of one of the bat sections.

Figures 6 and 7 are sectional views on the planes indicated by the lines 6-6 and 7-7 respectively of Figure 3.

lVhile the bat constituting the subject matter of the invention may be made of grey iron, semi-steel, cast steel, or any alloy of these, it is essential that it be made in the grid form shown, so as toprovide transverse and longitudinalseries of openings 10, separated by intervening web portions 11. Each section of the bat is formed with a marginal pendent flange 12 extending throughout its periphery and with intervening-ribs 14 disposedon the under faces of the webs and at the bounding edges ofthe. openings 10.

The. webs are formed With openings 15 arranged in continuous series and these open? ings or perforations 15v have their bounding edges beveled, downwardly asv indicated at 16, beingof the shapev as if they were countersunk from the under faces of the webs.

The bat sections are formed at their corners, as indicated at 17, with openings, and are similarly formed at the middle, with such openings as indicated at 18. These openings are preferably square, so that they may'receive the lower squared ends of the spacers 19 through which ,thetie bars 20 pass in assembling the bat sections on the props 21 of the kiln car 22.-

The bats, it will be observed, are arranged in superposed relation on the props 21 and the tie bars 20 have their heads 23 seated in the recessed portions around the holes 17 so that the bat or shelf is free from obstruction on the top. The spacers 19 of course occupy some space on the upper surface of the intermediate bats, but this cannot be avoidedsince they are necessary to equally space the superposed series of bats.

In those kilns in which the ware is fired on the revolving platform or base, the bats constituting the present invention will be mounted in the customary manner on such platform and, where it is customary to loosely mount the bats on the props relying on the sides of the kiln to keep them in place, the present invention. is also applicable, being mounted on the props according to the conventional practice.

But where anchored on the car, as by the tie rods 20, the .present construction provides, if desired, for interlocking adjacent sections and to this end one section is provided with a disk-like extension 24 connected with the body portion of the bat by a neck section 25, both these being bounded with a flange 26 of the height of the flanges 12 and the ribs 14. The disk extension is disposed adjacent one edge of the bat, while adjacent the other edge, there is formed in the bat a circular opening 27 having a clearance slot 28 opening onto the edge of the section. In connecting adjacent bats together, the tongue extension 24 of the one seats in the opening 27 of the other, the neck 25 being received in the slot 28. p

This interlocking connection is clearly disclosed in the two connected bat sections illustrated in Figure 3.

By reason of the bat being formed in the grid shape shown with the crossing ribs 14 and marginalflanges 12, the bat is reinforced against distortion due to the high heat to which it will be subjected in practice. But the openings 10, as well as the openings or perforations 15, prevent the heat rising through the bat to contact with the ware carried thereon on all sides, so that the ware thus becomes effectively fired.

The invention having been described, what is claimed as new and useful is: I

1. A kiln car bat comprising a grid-like body having a marginal pendent flange and transverse and longitudinal ribs on the under s1 e.

2. A kiln car bat comprising a grid-like body having its openings arranged in transverse and longitudinal series and the web portions separating theopenings provided on their under faces with pendent ribs eX- tending all around the edges of the openings.

3. A kiln car bat comprising a grid-like body having its openings arranged in transverse and longitudinal series and the web portions separating the openings provided on their under faces with pendent ribs extending all around the edges of the openings, the body being bounded with a continuous pendent flange of the depth of the ribs.

4. A kiln 'car bat comprising a grid-like body having its openings arranged in trans verse and longitudinal series and the web portions separating the openings provided on their under faces with pendent ribs extending all around the edges of the openings, the web portions being formed with perforations.

5. A kiln car bat comprising a grid-like body having its openings arranged in transverse and longitudinal series and the web portions separating the openings provided on their under faces with pendent ribs extending all around the edges of the openings, the web portions being formed with perforations countersunk from the bottom faces of the web portions.

6. A kiln car bat comprising a grid formed 

